====== Termux ======

Installation for Android 5 and 6:

 Reference: https://android.stackexchange.com/questions/245738/how-to-install-termux-on-old-android-5-devices-using-the-official-archive

  * Download //APK// from https://archive.org/download/termux-repositories-legacy
  * edit ''/data/data/com.termux/files/usr/etc/apt/sources.list'' (use //vi//),
  * replace last line with: ''deb %%https://packages.termux.dev/termux-main-21%% stable main'',
  * ''apt remove science-repo'',
  * ''apt remove game-repo''.